________ that the weather was to be very hot this weekend.

Hurry up, Jack. We have to get to the station before 11:45 ________ we can catch the 12:00 train.[ ]

This kind of CD-ROM is very popular. Why not buy one before it________ ?

I am a League Member. I volunteer my time _____ others.

She isn’t very popular. She has _______ friends.